Foundation Science Primary 6 Interactions

Siti wants to reduce the friction between a heavy wooden crate and the floor to make it easier to push. Which of the following should she do?

A Use a rougher floor surface
B Add more weight to the crate
C Increase the surface area of the crate in contact with the floor
D Place rollers underneath the crate
Show Worked Solution

Worked Solution

Step 1: Identify the goal (reduce friction). Step [2-9]: Rollers replace sliding friction with rolling friction, which is significantly weaker. Step [2-9]: Final Answer: Place rollers underneath the crate.

Correct answer: Place rollers underneath the crate

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